a and a

^{2},

a

^{2}and a

^{3},

and so on. They are in strictly increasing order, so there are infinitely many of these numbers.

Yes, since there is a number between

a and a^{2},

a^{2} and a^{3},

and so on. They are in strictly increasing order, so there are infinitely many of these numbers.

a and a

a

and so on. They are in strictly increasing order, so there are infinitely many of these numbers.